stratified random sampling 中文意思是什麼

stratified random sampling 解釋
分層隨機抽樣法
  • stratified : 層化的
  • random : n 〈罕用語〉胡亂行為，偶然的[隨便的]行動[過程]。adj 1 任意的，胡亂的，隨便的；（話等）信口亂說的...
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  1. Proportion allocation in stratified random sampling

    按比例分層隨機抽樣
  2. Methods after a general cross - sectional hygienic survey which was carried out by filling in questionnaires, the source water 、 off - work water and pipe water sampled from 20 % subjects which were selected by stratified sampling and simple random sampling were tested

    方法按設定的調查內容，先採用橫斷面現場普查填寫調查表的方法進行衛生學調查，然後按20 %的比例採用分層、隨機抽樣的方法，對水源水、出廠水、末梢水進行檢測。
  3. The study used a stratified random sampling method to look at 2159 junior high school students from 22 schools of 6 counties of northern taiwan, as well as 475 inmates of juvenile correctional institutions ; thus there were a total of 2634 samples

    在幫派入侵校園部分，樣本反映出校內常有幫派分子活動，少數學生反應受到幫派學生的侵害，約有11 %的學生指出，恐懼校內外幫派分子之侵擾。
  4. This article consists of five parts, the frist two of which deal with the theoretic and partical significence of the the students of the low - income families receiving educational opportulities of colleges and universities in chongqing through discussing the background and necessity of it. the third and fourth parts are investigations on the actual situations of the students receiving educational opportulity of colleges and universities in chongqing by adopting stratified random sampling

    本文共分五部分。第一、二部分從低收入家庭學生接受高等教育的背景、必要性等方面做了一般理論與實踐意義的探討；第三、四部分運用分層隨機抽樣的方法，對重慶市五所高校學生受教育機會的現狀進行了調查。
  5. Empirical likelihood method under stratified random sampling using auxiliary information and the information in the strata population size

    在分層抽樣下有效利用輔助信息及含于層總體大小中的信息的經驗似然方法
  6. The author discussed the four steps model and provided the ameliorative method of the logit model and the solution of the fictitious public traffic routes. firstly, the author discussed the result of survey of residents trip, concluded the primary character of residents trip and put forward the method of stratified random sampling plan on that.

    預測時採用了一種比較流行的「四階段模型法」 ，針對「四階段模型法」的出行分佈、交通分配子系統展開了深入的討論，提出了針對重慶山城交通特點的「改進的logit型的隨機路徑選擇模型」和「虛擬公交線路演算法」 。
  7. The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total

    調查在分層逐級抽樣法與隨機抽樣法相結合的抽樣基礎完成，共收集有效樣本1005個。
  8. The fifth part is an investigation on the present situation of english education in the kindergartens in the main urban districts in chongqing by adopting stratified random sampling

    第五部分運用分層隨機抽樣的方法，對重慶市主城區幼兒園英語教育現狀進行了調查。
  9. Method three thousand and eighty - sevedn beijing citizens from various areas were selected by using stratified random sampling and were surveyed by the questionnaires

    方法採用多階段分層隨機抽樣的方法，應用自行設計的調查表，調查不同地區的北京市民，共回收有效問卷3087份。
  10. From psychological activities and levels of ordinary people, we investigate psychological experts and teachers and master degree studentsetc. on what the mantel qualities of college students are. a ccording their answers and some other theories, we organize an initial questionnaire and investigate 800 college students by stratified random sampling

    我們用這份54個題目的大學生心理素質量表對分層隨機抽取的480名大學生進行團體測試，對回收的有效問卷進行信度和效度以及大學生心理素質情況的分析。
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